The term foodstuff is ambiguous In one sense it hasa narrow meaning and is limited to articles which are eatenas food for purposes of nutrition and nourishment and sowould exclude ... condiments and spices such as yeast salt pepper baking powder and turmeric In a wider sense itincludes everything that goes toto the preparation of foodproper as understood in the narrow sense to make it morepalatable and digestible Whether the term is used in aparticular statute in its wider or narrower sense cannot beanswered in the abstract but must be answered with due regard to the background andcontext